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Propanoic acid, 2-methyl-, ethyl ester

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Phase change data

Go To: Top, IR Spectrum, Mass spectrum (electron ionization), References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil383.4 ± 0.7KAVGN/AAverage of 14 out of 16 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus175.4KN/ATimmermans, 1922Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tc553.6KN/ANadezhdin, 1887Uncertainty assigned by TRC = 4. K; TRC
Quantity Value Units Method Reference Comment
Pc30.13atmN/ANadezhdin, 1887Uncertainty assigned by TRC = 2.0000 atm; TRC
Quantity Value Units Method Reference Comment
rhoc2.38mol/lN/ANadezhdin, 1887Uncertainty assigned by TRC = 0.07 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap9.532kcal/molN/AMajer and Svoboda, 1985 
Deltavap9.51 ± 0.02kcal/molCWadsö, Murto, et al., 1966AC
Deltavap9.52 ± 0.03kcal/molCWadso, 1966ALS
Deltavap8.52 ± 0.01kcal/molVMathews, 1926ALS

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
8.047383.3N/AMajer and Svoboda, 1985 
8.60398.AStephenson and Malanowski, 1987Based on data from 383. - 483. K.; AC
10.5264.AStephenson and Malanowski, 1987Based on data from 249. - 393. K. See also Stull, 1947.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
248.9 - 383.4.476311536.985-39.904Stull, 1947Coefficents calculated by NIST from author's data.
383.3 - 553.4.56431625.753-27.105Stull, 1947Coefficents calculated by NIST from author's data.

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


IR Spectrum

Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Phase change data, IR Spectrum, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW- 444
NIST MS number 229104

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Timmermans, 1922
Timmermans, J., Investigation of the Freezing Point of Organic Substances VII, Bull. Soc. Chim. Belg., 1922, 31, 389. [all data]

Nadezhdin, 1887
Nadezhdin, A., Rep. Phys., 1887, 23, 708. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Wadsö, Murto, et al., 1966
Wadsö, Ingemar; Murto, Maija-Leena; Bergson, Göran; Ehrenberg, L.; Brunvoll, J.; Bunnenberg, E.; Djerassi, Carl; Records, Ruth, Heats of Vaporization for a Number of Organic Compounds at 25 degrees C., Acta Chem. Scand., 1966, 20, 544-552, https://doi.org/10.3891/acta.chem.scand.20-0544 . [all data]

Wadso, 1966
Wadso, I., Acta Chem. Scand., 1966, 20, 544. [all data]

Mathews, 1926
Mathews, J.H., The accurate measurement of heats of vaporization of liquids, J. Am. Chem. Soc., 1926, 48, 562-576. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]


Notes

Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References